Le Mans - Spaniard Maverick Vinales topped the times in the third and final practice for the French MotoGP at Le Mans on Saturday.
The Yamaha rider, quickest in Friday's two sessions, clocked a quickest lap of 1min 42.498sec, 10sec slower than the day before due to the wet conditions.
His compatriot and championship leader Marc Marquez (Honda) and Australia's Jack Miller on a Ducati came in second and third.
Rain is forecast for qualifying which gets underway from 1210GMT.
3rd practice times
1. Maverick Vinales (ESP/Yamaha) 1:42.498, 2. Marc Marquez (ESP/Honda) at 0.180sec, 3. Jack Miller (AUS/Ducati-Pramac) 0.453, 4. Alex Rins (ESP/Suzuki) 0.940, 5. Johann Zarco (FRA/KTM) 0.954, 6. Danilo Petrucci (ITA/Ducati) 0.989, 7. Jorge Lorenzo (ESP/Honda) 1.170, 8. Pol Espargaro (ESP/KTM) 1.217, 9. Andrea Doviziosio (ITA/Ducati) 1.268, 10. Valentino Rossi (ITA/Yamaha) 1.359.